- Arm I: Patients receive oral AZD2171 once daily on days 1-7* during course 1. During the second and subsequent courses, patients receive oral AZD2171 once daily on days 1-21, doxorubicin hydrochloride IV over 3-5 minutes, cyclophosphamide IV over 30 minutes, and docetaxel IV over 1 hour on day 1. Patients also receive filgrastim (G-CSF) subcutaneously (SC) on days 2-11 or pegfilgrastim SC on day 2. Treatment repeats every 3 weeks for up to 6 courses in the absence of disease progression or unacceptable toxicity.